53223231 has 8 divisors (see below), whose sum is σ = 71357104. Its totient is φ = 35285760.

The previous prime is 53223227. The next prime is 53223257. The reversal of 53223231 is 13232235.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53223231 - 2² = 53223227 is a prime.

It is a super-2 number, since 2×53223231² = 5665424636158722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53223198 and 53223207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53223271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48466 + ... + 49551.

It is an arithmetic number, because the mean of its divisors is an integer number (8919638).

Almost surely, 2^53223231 is an apocalyptic number.

53223231 is a deficient number, since it is larger than the sum of its proper divisors (18133873).

53223231 is a wasteful number, since it uses less digits than its factorization.

53223231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98201.

The product of its digits is 1080, while the sum is 21.

The square root of 53223231 is about 7295.4253474352. The cubic root of 53223231 is about 376.1552074456.

Adding to 53223231 its reverse (13232235), we get a palindrome (66455466).

The spelling of 53223231 in words is "fifty-three million, two hundred twenty-three thousand, two hundred thirty-one".